Krtské skály - granit (jesenický typ)
General Characteristics
County (administration):
Středočeský kraj
District (town):
Rakovník
Village:
Krty
Cadastre:
Krty
Map sheets:
12-13 Jesenice, 12-133 Jesenice
Accessibility:
passable footpath
Technical object:
guarry
ID:
3524
Geology
Short characteristics of the site:
Magmatites, Western Bohemia. Abandoned flooded quarry exposing biotite granite of so called "Jesenice type". It differs from surrounding granites by common garnet, cordierite and Mg-turmaline (dravite). Potassium feldspar phenocrysts as large as 8 mm are present. Outcrops covered by isolated and scattered boulders and blocks. Nature monument, protecting interesting flora and fauna.
Regional geologic unit:
Bohemian Massif > Bohemicum > Magmatites in Bohemicum > Louny Massif > Jesenice Massif;
Bohemian Massif > Bohemicum > Magmatites in Bohemicum
Stratigraphy:
Upper Cambrian
Subject:
geology, petrology, geomorphology, mining and mining impacts
Geological phenomenon:
intrusion, outcrop, scree
Genesis:
magmatic
Rock:
granite
Territorial protection
Level of protection:
Nature monument
Additional information:
See the Digital register of the Agency for Nature Conservation and Landscape Protection of the Czech Republic AOPK ČR, code 2164 (Krtské skály)
Conflicts of interests:
without conflicts
References
- Ložek V., Kubíková J., Špryňar P. a kol. (2005): Střední Čechy. In: Mackovčin P. a Sedláček M.(eds.): Chráněná území ČR, svazek XIII. Agentura ochrany přírody a krajiny ČR a EkoCentrum Brno, str.548 Praha.
- Seifert A., red. (2012): Základní geologická mapa České republiky 1 : 25 000 s Vysvětlivkami 12-133 Jesenice. Česká geologická služba. Praha
Elaboration and Updating
Elaborated by:
Petr Štěpánek, 03.05.2012
Updated by:
Vajskebrová Markéta, 22.04.2021
Citation
The database Important geological localities of the Czech Republic: 3524 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/3524.
Location in map:
Assessment
Scientifical assesment:
medium
Educational assesment:
middle
Significance:
supraregional
Representativeness:
major
Geological importance:
geo-regional value (mapping), geoturistic value
Excursion locality:
yes
Locality conditions:
no problems
You can send information about a change in the status of the site to lokality@geology.cz
